Add multiple sampling support to lf.query and introduce lf.query_and_reduce.
#1831
| Job | Run time |
|---|---|
| 2m 32s | |
| 2m 34s | |
| 5m 6s |
lf.query and introduce lf.query_and_reduce.
#1831
| Job | Run time |
|---|---|
| 2m 32s | |
| 2m 34s | |
| 5m 6s |